TS (Single Row Tapered Roller Bearings) (Imperial) 3780-3720V

The 3780-3720V is a single-row tapered roller bearing with a 2-inch bore and 3.6718-inch outer diameter, crafted from durable chrome steel. It handles combined loads up to 27500 lbf radially and 4120 lbf thrust, making it versatile for various applications.

Its open design allows easy lubrication, while the steel cage ensures reliable performance. The bearing operates smoothly in temperatures from -30°C to 110°C, suitable for demanding environments.

This model is interchangeable with Timken bearings, offering a practical replacement option. Ideal for heavy-duty machinery, gearboxes, or industrial equipment where combined loads are common.

Weighing 1.9 lb, it’s robust yet manageable for its size. Compliant with RoHS and REACH standards, it meets safety and environmental requirements.

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Description

Features

Application

Q&A

Product Parameters

Part Number 3780-3720V
Brand TFL
Interchangeable Timken
Size 2" x 3.6718" x 1.1876"
Bore Dia 2"
Bore Dia Tolerance +0.005" to 0
Outer Dia 3.6718"
Outer Dia Tolerance +0.001" to 0
Cone Width 1.193"
Cone Width Tolerance +0.003" to -0.01
Cup Width 0.9375"
Cup Width Tolerance +0.002" to -0.01
Width 1.1876"
Width Tolerance +0.008" to 0
Cone Backface ToClear Radius 0.14"
Cup Backface ToClear Radius 0.130"
Cone Frontface Backing Diameter 2.28"
Cone Backface Backing Diameter 2.52"
Cup Frontface Backing Diameter 3.50"
Cup Backface Backing Diameter 3.23"
Cage Cone Frontface Clearance 0.06"
Cage Cone Backface Clearance 0.06"
Effective Center Location -0.32"
System of Measurement Inch
Type Bearing
Cone Part Number 3780
Cup Part Number 3720V
Bearing Type Roller
Roller Bearing Type Tapered
For Load Direction Combined
Construction Single Row
Seal Type Open
Cups Type Standard
Series 3700
Ring Material Chrome Steel
Roller Material Chrome Steel
Cage Material Steel
Dynamic Radial Load 27500 lbf
Static Radial Load 34300 lbf
Dynamic Radial Rating(90 Million Revolutions)(C90) 7120 lbf
Dynamic Thrust Rating(90 Million Revolutions)(Ca90) 4120 lbf
Lubrication Required
Temperature Range -30° to 110 °C
ABEC Rating ABEC-1
Radial Clearance Standard (Available in C3/C4/C5)
RoHS Compliant
REACH Compliant
Weight 1.900 lb

Features

How Does 3780-3720V Bearing Handle Combined Loads?

3780-3720V Bearing is built with chrome steel rings and rollers, offering strong resistance to both radial and thrust loads.
Its dynamic radial load capacity reaches 27,500 lbf, ensuring reliable performance in demanding conditions.
The steel cage maintains roller alignment, reducing friction and extending operational life.
With a temperature range of -30° to 110°C, it performs well in various environments.

Structural Advantages of 3780-3720V Bearing

3780-3720V Bearing features a single-row tapered roller design, optimised for combined load applications.
The chrome steel construction enhances durability, while the standard radial clearance ensures smooth operation.
Its effective center location of -0.32″ improves load distribution and stability.
This design makes it a reliable choice for industrial machinery.

Why Choose 3780-3720V Bearing for Precision Tasks?

3780-3720V Bearing’s ABEC-1 rating ensures consistent precision in performance.
The tapered roller design minimises friction, allowing for smooth rotation under heavy loads.
With a dynamic thrust rating of 4,120 lbf, it handles demanding applications with ease.
Its open seal type simplifies maintenance, reducing downtime.

Application

Industrial Uses of 3780-3720V Bearing
The 3780-3720V Bearing is commonly used in heavy machinery like construction equipment, where its tapered roller design handles combined loads efficiently. Its chrome steel construction ensures durability in demanding environments.

Where Is 3780-3720V Bearing Used?
You’ll often find 3780-3720V Bearing in agricultural machinery, such as tractors and harvesters, where its robust design supports high radial and thrust loads. The inch sizing makes it a fit for many North American industrial applications.

Built for Heavy-Duty Use: 3780-3720V Bearing
In mining equipment, 3780-3720V Bearing excels due to its ability to withstand harsh conditions and heavy loads. The open design allows for easy lubrication, extending its service life.

Automotive vs Aerospace: Applications of 3780-3720V Bearing
In automotive systems, 3780-3720V Bearing is ideal for wheel hubs and axles, offering reliable performance. While not typically used in aerospace, its precision makes it suitable for ground support equipment.

Perfect Fit for Automation: 3780-3720V Bearing
For conveyor systems in factories, 3780-3720V Bearing provides smooth operation under continuous load. Its standard radial clearance ensures compatibility with various automation setups.